gallivm: add min_lod==max_lod special-case code in lp_build_lod_selector()
[mesa.git] / src / gallium / auxiliary / tgsi / tgsi_ureg.c
index ab557a23f94afe9173175c641891465c61f5b634..3d0455de7cea9edbde745d986ce5353b721edbae 100644 (file)
@@ -33,6 +33,7 @@
 #include "tgsi/tgsi_info.h"
 #include "tgsi/tgsi_dump.h"
 #include "tgsi/tgsi_sanity.h"
+#include "util/u_debug.h"
 #include "util/u_memory.h"
 #include "util/u_math.h"
 
@@ -44,6 +45,7 @@ union tgsi_any_token {
    struct tgsi_property_data prop_data;
    struct tgsi_declaration decl;
    struct tgsi_declaration_range decl_range;
+   struct tgsi_declaration_dimension decl_dim;
    struct tgsi_declaration_semantic decl_semantic;
    struct tgsi_immediate imm;
    union  tgsi_immediate_data imm_data;
@@ -75,6 +77,14 @@ struct ureg_tokens {
 #define UREG_MAX_LOOP 1
 #define UREG_MAX_PRED 1
 
+struct const_decl {
+   struct {
+      unsigned first;
+      unsigned last;
+   } constant_range[UREG_MAX_CONSTANT_RANGE];
+   unsigned nr_constant_ranges;
+};
+
 #define DOMAIN_DECL 0
 #define DOMAIN_INSN 1
 
@@ -87,6 +97,7 @@ struct ureg_program
       unsigned semantic_name;
       unsigned semantic_index;
       unsigned interp;
+      unsigned cylindrical_wrap;
    } fs_input[UREG_MAX_INPUT];
    unsigned nr_fs_inputs;
 
@@ -94,6 +105,8 @@ struct ureg_program
 
    struct {
       unsigned index;
+      unsigned semantic_name;
+      unsigned semantic_index;
    } gs_input[UREG_MAX_INPUT];
    unsigned nr_gs_inputs;
 
@@ -127,13 +140,14 @@ struct ureg_program
    unsigned temps_active[UREG_MAX_TEMP / 32];
    unsigned nr_temps;
 
-   struct {
-      unsigned first;
-      unsigned last;
-   } constant_range[UREG_MAX_CONSTANT_RANGE];
-   unsigned nr_constant_ranges;
+   struct const_decl const_decls;
+   struct const_decl const_decls2D[PIPE_MAX_CONSTANT_BUFFERS];
 
    unsigned property_gs_input_prim;
+   unsigned property_gs_output_prim;
+   unsigned property_gs_max_vertices;
+   unsigned char property_fs_coord_origin; /* = TGSI_FS_COORD_ORIGIN_* */
+   unsigned char property_fs_coord_pixel_center; /* = TGSI_FS_COORD_PIXEL_CENTER_* */
 
    unsigned nr_addrs;
    unsigned nr_preds;
@@ -235,67 +249,72 @@ ureg_dst_register( unsigned file,
    return dst;
 }
 
-static INLINE struct ureg_src 
-ureg_src_register( unsigned file,
-                   unsigned index )
+
+void
+ureg_property_gs_input_prim(struct ureg_program *ureg,
+                            unsigned input_prim)
 {
-   struct ureg_src src;
-
-   src.File     = file;
-   src.SwizzleX = TGSI_SWIZZLE_X;
-   src.SwizzleY = TGSI_SWIZZLE_Y;
-   src.SwizzleZ = TGSI_SWIZZLE_Z;
-   src.SwizzleW = TGSI_SWIZZLE_W;
-   src.Indirect = 0;
-   src.IndirectFile = TGSI_FILE_NULL;
-   src.IndirectIndex = 0;
-   src.IndirectSwizzle = 0;
-   src.Absolute = 0;
-   src.Index    = index;
-   src.Negate   = 0;
-   src.Dimension = 0;
-   src.DimensionIndex = 0;
-
-   return src;
+   ureg->property_gs_input_prim = input_prim;
 }
 
+void
+ureg_property_gs_output_prim(struct ureg_program *ureg,
+                             unsigned output_prim)
+{
+   ureg->property_gs_output_prim = output_prim;
+}
 
+void
+ureg_property_gs_max_vertices(struct ureg_program *ureg,
+                              unsigned max_vertices)
+{
+   ureg->property_gs_max_vertices = max_vertices;
+}
 
 void
-ureg_property_gs_input_prim(struct ureg_program *ureg,
-                            unsigned gs_input_prim)
+ureg_property_fs_coord_origin(struct ureg_program *ureg,
+                            unsigned fs_coord_origin)
 {
-   ureg->property_gs_input_prim = gs_input_prim;
+   ureg->property_fs_coord_origin = fs_coord_origin;
 }
 
+void
+ureg_property_fs_coord_pixel_center(struct ureg_program *ureg,
+                            unsigned fs_coord_pixel_center)
+{
+   ureg->property_fs_coord_pixel_center = fs_coord_pixel_center;
+}
 
 
-struct ureg_src 
-ureg_DECL_fs_input( struct ureg_program *ureg,
-                    unsigned name,
-                    unsigned index,
-                    unsigned interp_mode )
+
+struct ureg_src
+ureg_DECL_fs_input_cyl(struct ureg_program *ureg,
+                       unsigned semantic_name,
+                       unsigned semantic_index,
+                       unsigned interp_mode,
+                       unsigned cylindrical_wrap)
 {
    unsigned i;
 
    for (i = 0; i < ureg->nr_fs_inputs; i++) {
-      if (ureg->fs_input[i].semantic_name == name &&
-          ureg->fs_input[i].semantic_index == index) 
+      if (ureg->fs_input[i].semantic_name == semantic_name &&
+          ureg->fs_input[i].semantic_index == semantic_index) {
          goto out;
+      }
    }
 
    if (ureg->nr_fs_inputs < UREG_MAX_INPUT) {
-      ureg->fs_input[i].semantic_name = name;
-      ureg->fs_input[i].semantic_index = index;
+      ureg->fs_input[i].semantic_name = semantic_name;
+      ureg->fs_input[i].semantic_index = semantic_index;
       ureg->fs_input[i].interp = interp_mode;
+      ureg->fs_input[i].cylindrical_wrap = cylindrical_wrap;
       ureg->nr_fs_inputs++;
-   }
-   else {
-      set_bad( ureg );
+   } else {
+      set_bad(ureg);
    }
 
 out:
-   return ureg_src_register( TGSI_FILE_INPUT, i );
+   return ureg_src_register(TGSI_FILE_INPUT, i);
 }
 
 
@@ -312,10 +331,14 @@ ureg_DECL_vs_input( struct ureg_program *ureg,
 
 struct ureg_src
 ureg_DECL_gs_input(struct ureg_program *ureg,
-                   unsigned index)
+                   unsigned index,
+                   unsigned semantic_name,
+                   unsigned semantic_index)
 {
    if (ureg->nr_gs_inputs < UREG_MAX_INPUT) {
       ureg->gs_input[ureg->nr_gs_inputs].index = index;
+      ureg->gs_input[ureg->nr_gs_inputs].semantic_name = semantic_name;
+      ureg->gs_input[ureg->nr_gs_inputs].semantic_index = semantic_index;
       ureg->nr_gs_inputs++;
    } else {
       set_bad(ureg);
@@ -375,62 +398,92 @@ out:
 /* Returns a new constant register.  Keep track of which have been
  * referred to so that we can emit decls later.
  *
+ * Constant operands declared with this function must be addressed
+ * with a two-dimensional index.
+ *
  * There is nothing in this code to bind this constant to any tracked
  * value or manage any constant_buffer contents -- that's the
  * resposibility of the calling code.
  */
-struct ureg_src ureg_DECL_constant(struct ureg_program *ureg, 
-                                   unsigned index )
+void
+ureg_DECL_constant2D(struct ureg_program *ureg,
+                     unsigned first,
+                     unsigned last,
+                     unsigned index2D)
 {
+   struct const_decl *decl = &ureg->const_decls2D[index2D];
+
+   assert(index2D < PIPE_MAX_CONSTANT_BUFFERS);
+
+   if (decl->nr_constant_ranges < UREG_MAX_CONSTANT_RANGE) {
+      uint i = decl->nr_constant_ranges++;
+
+      decl->constant_range[i].first = first;
+      decl->constant_range[i].last = last;
+   }
+}
+
+
+/* A one-dimensional, depricated version of ureg_DECL_constant2D().
+ *
+ * Constant operands declared with this function must be addressed
+ * with a one-dimensional index.
+ */
+struct ureg_src
+ureg_DECL_constant(struct ureg_program *ureg,
+                   unsigned index)
+{
+   struct const_decl *decl = &ureg->const_decls;
    unsigned minconst = index, maxconst = index;
    unsigned i;
 
    /* Inside existing range?
     */
-   for (i = 0; i < ureg->nr_constant_ranges; i++) {
-      if (ureg->constant_range[i].first <= index &&
-          ureg->constant_range[i].last >= index)
+   for (i = 0; i < decl->nr_constant_ranges; i++) {
+      if (decl->constant_range[i].first <= index &&
+          decl->constant_range[i].last >= index) {
          goto out;
+      }
    }
 
    /* Extend existing range?
     */
-   for (i = 0; i < ureg->nr_constant_ranges; i++) {
-      if (ureg->constant_range[i].last == index - 1) {
-         ureg->constant_range[i].last = index;
+   for (i = 0; i < decl->nr_constant_ranges; i++) {
+      if (decl->constant_range[i].last == index - 1) {
+         decl->constant_range[i].last = index;
          goto out;
       }
 
-      if (ureg->constant_range[i].first == index + 1) {
-         ureg->constant_range[i].first = index;
+      if (decl->constant_range[i].first == index + 1) {
+         decl->constant_range[i].first = index;
          goto out;
       }
 
-      minconst = MIN2(minconst, ureg->constant_range[i].first);
-      maxconst = MAX2(maxconst, ureg->constant_range[i].last);
+      minconst = MIN2(minconst, decl->constant_range[i].first);
+      maxconst = MAX2(maxconst, decl->constant_range[i].last);
    }
 
    /* Create new range?
     */
-   if (ureg->nr_constant_ranges < UREG_MAX_CONSTANT_RANGE) {
-      i = ureg->nr_constant_ranges++;
-      ureg->constant_range[i].first = index;
-      ureg->constant_range[i].last = index;
+   if (decl->nr_constant_ranges < UREG_MAX_CONSTANT_RANGE) {
+      i = decl->nr_constant_ranges++;
+      decl->constant_range[i].first = index;
+      decl->constant_range[i].last = index;
       goto out;
    }
 
    /* Collapse all ranges down to one:
     */
    i = 0;
-   ureg->constant_range[0].first = minconst;
-   ureg->constant_range[0].last = maxconst;
-   ureg->nr_constant_ranges = 1;
+   decl->constant_range[0].first = minconst;
+   decl->constant_range[0].last = maxconst;
+   decl->nr_constant_ranges = 1;
 
 out:
-   assert(i < ureg->nr_constant_ranges);
-   assert(ureg->constant_range[i].first <= index);
-   assert(ureg->constant_range[i].last >= index);
-   return ureg_src_register( TGSI_FILE_CONSTANT, index );
+   assert(i < decl->nr_constant_ranges);
+   assert(decl->constant_range[i].first <= index);
+   assert(decl->constant_range[i].last >= index);
+   return ureg_src_register(TGSI_FILE_CONSTANT, index);
 }
 
 
@@ -579,7 +632,7 @@ decl_immediate( struct ureg_program *ureg,
                 unsigned type )
 {
    unsigned i, j;
-   unsigned swizzle;
+   unsigned swizzle = 0;
 
    /* Could do a first pass where we examine all existing immediates
     * without expanding.
@@ -1038,32 +1091,59 @@ ureg_label_insn(struct ureg_program *ureg,
 }
 
 
-
-static void emit_decl( struct ureg_program *ureg,
-                       unsigned file,
-                       unsigned index,
-                       unsigned semantic_name,
-                       unsigned semantic_index,
-                       unsigned interp )
+static void
+emit_decl_semantic(struct ureg_program *ureg,
+                   unsigned file,
+                   unsigned index,
+                   unsigned semantic_name,
+                   unsigned semantic_index)
 {
-   union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, 3 );
+   union tgsi_any_token *out = get_tokens(ureg, DOMAIN_DECL, 3);
 
    out[0].value = 0;
    out[0].decl.Type = TGSI_TOKEN_TYPE_DECLARATION;
    out[0].decl.NrTokens = 3;
    out[0].decl.File = file;
    out[0].decl.UsageMask = TGSI_WRITEMASK_XYZW; /* FIXME! */
-   out[0].decl.Interpolate = interp;
    out[0].decl.Semantic = 1;
 
    out[1].value = 0;
-   out[1].decl_range.First = 
-      out[1].decl_range.Last = index;
+   out[1].decl_range.First = index;
+   out[1].decl_range.Last = index;
 
    out[2].value = 0;
    out[2].decl_semantic.Name = semantic_name;
    out[2].decl_semantic.Index = semantic_index;
+}
+
+
+static void
+emit_decl_fs(struct ureg_program *ureg,
+             unsigned file,
+             unsigned index,
+             unsigned semantic_name,
+             unsigned semantic_index,
+             unsigned interpolate,
+             unsigned cylindrical_wrap)
+{
+   union tgsi_any_token *out = get_tokens(ureg, DOMAIN_DECL, 3);
+
+   out[0].value = 0;
+   out[0].decl.Type = TGSI_TOKEN_TYPE_DECLARATION;
+   out[0].decl.NrTokens = 3;
+   out[0].decl.File = file;
+   out[0].decl.UsageMask = TGSI_WRITEMASK_XYZW; /* FIXME! */
+   out[0].decl.Interpolate = interpolate;
+   out[0].decl.Semantic = 1;
+   out[0].decl.CylindricalWrap = cylindrical_wrap;
+
+   out[1].value = 0;
+   out[1].decl_range.First = index;
+   out[1].decl_range.Last = index;
 
+   out[2].value = 0;
+   out[2].decl_semantic.Name = semantic_name;
+   out[2].decl_semantic.Index = semantic_index;
 }
 
 
@@ -1087,6 +1167,31 @@ static void emit_decl_range( struct ureg_program *ureg,
    out[1].decl_range.Last = first + count - 1;
 }
 
+static void
+emit_decl_range2D(struct ureg_program *ureg,
+                  unsigned file,
+                  unsigned first,
+                  unsigned last,
+                  unsigned index2D)
+{
+   union tgsi_any_token *out = get_tokens(ureg, DOMAIN_DECL, 3);
+
+   out[0].value = 0;
+   out[0].decl.Type = TGSI_TOKEN_TYPE_DECLARATION;
+   out[0].decl.NrTokens = 3;
+   out[0].decl.File = file;
+   out[0].decl.UsageMask = 0xf;
+   out[0].decl.Interpolate = TGSI_INTERPOLATE_CONSTANT;
+   out[0].decl.Dimension = 1;
+
+   out[1].value = 0;
+   out[1].decl_range.First = first;
+   out[1].decl_range.Last = last;
+
+   out[2].value = 0;
+   out[2].decl_dim.Index2D = index2D;
+}
+
 static void
 emit_immediate( struct ureg_program *ureg,
                 const unsigned *v,
@@ -1134,6 +1239,38 @@ static void emit_decls( struct ureg_program *ureg )
                     ureg->property_gs_input_prim);
    }
 
+   if (ureg->property_gs_output_prim != ~0) {
+      assert(ureg->processor == TGSI_PROCESSOR_GEOMETRY);
+
+      emit_property(ureg,
+                    TGSI_PROPERTY_GS_OUTPUT_PRIM,
+                    ureg->property_gs_output_prim);
+   }
+
+   if (ureg->property_gs_max_vertices != ~0) {
+      assert(ureg->processor == TGSI_PROCESSOR_GEOMETRY);
+
+      emit_property(ureg,
+                    TGSI_PROPERTY_GS_MAX_VERTICES,
+                    ureg->property_gs_max_vertices);
+   }
+
+   if (ureg->property_fs_coord_origin) {
+      assert(ureg->processor == TGSI_PROCESSOR_FRAGMENT);
+
+      emit_property(ureg,
+                    TGSI_PROPERTY_FS_COORD_ORIGIN,
+                    ureg->property_fs_coord_origin);
+   }
+
+   if (ureg->property_fs_coord_pixel_center) {
+      assert(ureg->processor == TGSI_PROCESSOR_FRAGMENT);
+
+      emit_property(ureg,
+                    TGSI_PROPERTY_FS_COORD_PIXEL_CENTER,
+                    ureg->property_fs_coord_pixel_center);
+   }
+
    if (ureg->processor == TGSI_PROCESSOR_VERTEX) {
       for (i = 0; i < UREG_MAX_INPUT; i++) {
          if (ureg->vs_inputs[i/32] & (1 << (i%32))) {
@@ -1142,38 +1279,38 @@ static void emit_decls( struct ureg_program *ureg )
       }
    } else if (ureg->processor == TGSI_PROCESSOR_FRAGMENT) {
       for (i = 0; i < ureg->nr_fs_inputs; i++) {
-         emit_decl( ureg, 
-                    TGSI_FILE_INPUT, 
-                    i,
-                    ureg->fs_input[i].semantic_name,
-                    ureg->fs_input[i].semantic_index,
-                    ureg->fs_input[i].interp );
+         emit_decl_fs(ureg,
+                      TGSI_FILE_INPUT,
+                      i,
+                      ureg->fs_input[i].semantic_name,
+                      ureg->fs_input[i].semantic_index,
+                      ureg->fs_input[i].interp,
+                      ureg->fs_input[i].cylindrical_wrap);
       }
    } else {
       for (i = 0; i < ureg->nr_gs_inputs; i++) {
-         emit_decl_range(ureg, 
-                         TGSI_FILE_INPUT, 
-                         ureg->gs_input[i].index,
-                         1);
+         emit_decl_semantic(ureg,
+                            TGSI_FILE_INPUT,
+                            ureg->gs_input[i].index,
+                            ureg->gs_input[i].semantic_name,
+                            ureg->gs_input[i].semantic_index);
       }
    }
 
    for (i = 0; i < ureg->nr_system_values; i++) {
-      emit_decl(ureg,
-                TGSI_FILE_SYSTEM_VALUE,
-                ureg->system_value[i].index,
-                ureg->system_value[i].semantic_name,
-                ureg->system_value[i].semantic_index,
-                TGSI_INTERPOLATE_CONSTANT);
+      emit_decl_semantic(ureg,
+                         TGSI_FILE_SYSTEM_VALUE,
+                         ureg->system_value[i].index,
+                         ureg->system_value[i].semantic_name,
+                         ureg->system_value[i].semantic_index);
    }
 
    for (i = 0; i < ureg->nr_outputs; i++) {
-      emit_decl( ureg, 
-                 TGSI_FILE_OUTPUT, 
-                 i,
-                 ureg->output[i].semantic_name,
-                 ureg->output[i].semantic_index,
-                 TGSI_INTERPOLATE_CONSTANT );
+      emit_decl_semantic(ureg,
+                         TGSI_FILE_OUTPUT,
+                         i,
+                         ureg->output[i].semantic_name,
+                         ureg->output[i].semantic_index);
    }
 
    for (i = 0; i < ureg->nr_samplers; i++) {
@@ -1182,13 +1319,29 @@ static void emit_decls( struct ureg_program *ureg )
                        ureg->sampler[i].Index, 1 );
    }
 
-   if (ureg->nr_constant_ranges) {
-      for (i = 0; i < ureg->nr_constant_ranges; i++)
-         emit_decl_range( ureg,
-                          TGSI_FILE_CONSTANT,
-                          ureg->constant_range[i].first, 
-                          (ureg->constant_range[i].last + 1 -
-                           ureg->constant_range[i].first) );
+   if (ureg->const_decls.nr_constant_ranges) {
+      for (i = 0; i < ureg->const_decls.nr_constant_ranges; i++) {
+         emit_decl_range(ureg,
+                         TGSI_FILE_CONSTANT,
+                         ureg->const_decls.constant_range[i].first,
+                         ureg->const_decls.constant_range[i].last - ureg->const_decls.constant_range[i].first + 1);
+      }
+   }
+
+   for (i = 0; i < PIPE_MAX_CONSTANT_BUFFERS; i++) {
+      struct const_decl *decl = &ureg->const_decls2D[i];
+
+      if (decl->nr_constant_ranges) {
+         uint j;
+
+         for (j = 0; j < decl->nr_constant_ranges; j++) {
+            emit_decl_range2D(ureg,
+                              TGSI_FILE_CONSTANT,
+                              decl->constant_range[j].first,
+                              decl->constant_range[j].last,
+                              i);
+         }
+      }
    }
 
    if (ureg->nr_temps) {
@@ -1344,6 +1497,8 @@ struct ureg_program *ureg_create( unsigned processor )
 
    ureg->processor = processor;
    ureg->property_gs_input_prim = ~0;
+   ureg->property_gs_output_prim = ~0;
+   ureg->property_gs_max_vertices = ~0;
    return ureg;
 }